Tape detection in tapedrive

How can we write a little routine that checks if a tape is in the drive for a NT 4.0, without hanging of course.
bruneelAsked:
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bruneelAuthor Commented:
Edited text of question.
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jkrCommented:
Use 'DeviceIoControl()' and supply 'IOCTL_STORAGE_CHECK_VERIFY' as the control code. This operation determines whether a device’s media is accessible; for example, whether the media is in the device (return value == TRUE).
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